MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. This URL is embedded within the document body, disguised as a link to an analytical chemistry PDF. The PDF also contains a large number of external links, many hosted on Shopify, which is indicative of a link farm used for SEO poisoning or to obscure malicious destinations. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.com/pify?keyword=analytical+chemistry+laboratory+experiments+pdf
- http://files.tribalexperiences.com/uploads/1/3/1/4/131408131/gemufufegatofubi.pdf
- http://files.fishforinfo.net/uploads/1/3/1/4/131437775/deeacdb0d0.pdf
- http://files.tigerblackbeltacademy.com/uploads/1/3/2/6/132695535/wukiwonazubate_fedokar_genoranib_fosek.pdf
- https://cdn.shopify.com/s/files/1/0435/2511/1967/files/kojojoradojazojez.pdf
- https://cdn.shopify.com/s/files/1/0429/2562/1404/files/jaguar_xk8_owners_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/9565/4567/files/52212010179.pdf
- https://cdn.shopify.com/s/files/1/0437/9472/7074/files/80382613092.pdf
- https://cdn.shopify.com/s/files/1/0431/5856/9128/files/legelawetuloxidig.pdf
- https://cdn.shopify.com/s/files/1/0439/9045/0334/files/30831569621.pdf
- https://cdn.shopify.com/s/files/1/0432/3622/9278/files/67477905621.pdf
- https://cdn.shopify.com/s/files/1/0432/0857/3091/files/aula_2_curso_de_espanol.pdf
- https://cdn.shopify.com/s/files/1/0429/2942/2499/files/full_forms_of_computer_abbreviations.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- https://cdn.shopify.com/s/files/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a248.bin50da9836d73d46216f612438184976ee3f360b5fd115ddbd4d024b4f477e895c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA248 | 5692 bytes |
font_01_sfnt_off0000b570.bind37f96bdf037efc435b590359a451a6c52bf4ef576fc44c297217b631d6449e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB570 | 15200 bytes |
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